Question about Rinnai Unvented Gas Zone Heater. 99% fuel efficient: Blower with Thermostat

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Pilot light keeps going out

Rennai model # REH-30DT-P
Propane gas heater.

I can get the pilot lit and it will light the burner OK. However once the burner turns off the pilot will go out. I have to re-light the pilot each time I need heat. The flame seems, to me anyway, to be on the small size. Is there any way to increase the size of the pilot? Would that help? Or is there something else going on?
This is also the first year I've had propane in this house. In fact I just today had the tank filled and the line ran into the house. A new regulator was installed on the tank at that time.

I just got this heater from my landlord, it looks new, doesn't appear to be a recycled (pre-installed) one.

Any help would be GREATLY appreciated!

Thanks in advance.

Dan

Posted by on

  • ljtomega Dec 03, 2008

    The pilot comes on ok and burner works ok But sometimes the pilot goes out and consequntly the burner safety valve turns gas off. The thermocuple is working ok. The problem is with the air intake on the pilot assy, The pilot gets too much air and blows itself out. If you can get to the pilot and adjust the air intake sleve on the pilot assy. that may take care of the problem Another posible problem a piece of trash may get into the pilot orfice and and stop the gas flow causing the pilot to go out. If no luck doing the above then replace the complete pilot assy. If yu can fine one. Note: If a thermocouple fails IT MUST BE REPLACED. Need more help contact :Justice at ljtomega@mchsi.com

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Dan, Since you just had the tank filled and the heatewr installed a tinty piece of trash could have entered the pilot orfice. Un do the lower floor panel take off the pilot assy. Blow out the small pilot orfice. Blow reverse from normal gas flow to unlodge the debre. Re asemble and light.
If this dosen't work It may be the pilot air intake is too open causing the pilot to blow itself out.If thats the case close off the air adjustment some. It will be located behind where the flame exits the pilot orfice.

ljtomega

Posted on Dec 03, 2008

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SOURCE: I have a Rennai REH-20FB-P,is this a propane or

Look on the heater it will tell you.

Posted on Mar 14, 2009

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